using Z.CoreExtensions;
using Z.DataExtensions;

namespace Z.CoreExtensions
{

using System;

public static partial class Extensions
    {
        /// <summary>
        ///     A T extension method that gets value or default.
        /// </summary>
        /// <typeparam name="T">Generic type parameter.</typeparam>
        /// <typeparam name="TResult">Type of the result.</typeparam>
        /// <param name="this">The @this to act on.</param>
        /// <param name="func">The function.</param>
        /// <returns>The value or default.</returns>
        public static TResult GetValueOrDefault<T, TResult>(this T @this, Func<T, TResult> func)
        {
            try
            {
                return func(@this);
            }
            catch (Exception)
            {
                return default(TResult);
            }
        }

        /// <summary>
        ///     A T extension method that gets value or default.
        /// </summary>
        /// <typeparam name="T">Generic type parameter.</typeparam>
        /// <typeparam name="TResult">Type of the result.</typeparam>
        /// <param name="this">The @this to act on.</param>
        /// <param name="func">The function.</param>
        /// <param name="defaultValue">The default value.</param>
        /// <returns>The value or default.</returns>
        public static TResult GetValueOrDefault<T, TResult>(this T @this, Func<T, TResult> func, TResult defaultValue)
        {
            try
            {
                return func(@this);
            }
            catch (Exception)
            {
                return defaultValue;
            }
        }

        /// <summary>
        ///     A T extension method that gets value or default.
        /// </summary>
        /// <typeparam name="T">Generic type parameter.</typeparam>
        /// <typeparam name="TResult">Type of the result.</typeparam>
        /// <param name="this">The @this to act on.</param>
        /// <param name="func">The function.</param>
        /// <param name="defaultValueFactory">The default value factory.</param>
        /// <returns>The value or default.</returns>
        /// <example>
        ///     <code>
        ///       using System.Xml;
        ///       using Microsoft.VisualStudio.TestTools.UnitTesting;
        /// 
        /// 
        ///       namespace ExtensionMethods.Examples
        ///       {
        ///           [TestClass]
        ///           public class System_Object_GetValueOrDefault
        ///           {
        ///               [TestMethod]
        ///               public void GetValueOrDefault()
        ///               {
        ///                   // Type
        ///                   var @this = new XmlDocument();
        /// 
        ///                   // Exemples
        ///                   string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                   string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        /// 
        ///                   // Unit Test
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///               }
        ///           }
        ///       }
        /// </code>
        /// </example>
        /// <example>
        ///     <code>
        ///       using System.Xml;
        ///       using Microsoft.VisualStudio.TestTools.UnitTesting;
        ///       using Z.ExtensionMethods.Object;
        /// 
        ///       namespace ExtensionMethods.Examples
        ///       {
        ///           [TestClass]
        ///           public class System_Object_GetValueOrDefault
        ///           {
        ///               [TestMethod]
        ///               public void GetValueOrDefault()
        ///               {
        ///                   // Type
        ///                   var @this = new XmlDocument();
        /// 
        ///                   // Exemples
        ///                   string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                   string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        /// 
        ///                   // Unit Test
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///               }
        ///           }
        ///       }
        /// </code>
        /// </example>
        /// <example>
        ///     <code>
        ///           using System.Xml;
        ///           using Microsoft.VisualStudio.TestTools.UnitTesting;
        ///           using Z.ExtensionMethods.Object;
        ///           
        ///           namespace ExtensionMethods.Examples
        ///           {
        ///               [TestClass]
        ///               public class System_Object_GetValueOrDefault
        ///               {
        ///                   [TestMethod]
        ///                   public void GetValueOrDefault()
        ///                   {
        ///                       // Type
        ///                       var @this = new XmlDocument();
        ///           
        ///                       // Exemples
        ///                       string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                       string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        ///           
        ///                       // Unit Test
        ///                       Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                       Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///                   }
        ///               }
        ///           }
        ///     </code>
        /// </example>
        public static TResult GetValueOrDefault<T, TResult>(this T @this, Func<T, TResult> func, Func<TResult> defaultValueFactory)
        {
            try
            {
                return func(@this);
            }
            catch (Exception)
            {
                return defaultValueFactory();
            }
        }

        /// <summary>
        ///     A T extension method that gets value or default.
        /// </summary>
        /// <typeparam name="T">Generic type parameter.</typeparam>
        /// <typeparam name="TResult">Type of the result.</typeparam>
        /// <param name="this">The @this to act on.</param>
        /// <param name="func">The function.</param>
        /// <param name="defaultValueFactory">The default value factory.</param>
        /// <returns>The value or default.</returns>
        /// <example>
        ///     <code>
        ///       using System.Xml;
        ///       using Microsoft.VisualStudio.TestTools.UnitTesting;
        /// 
        /// 
        ///       namespace ExtensionMethods.Examples
        ///       {
        ///           [TestClass]
        ///           public class System_Object_GetValueOrDefault
        ///           {
        ///               [TestMethod]
        ///               public void GetValueOrDefault()
        ///               {
        ///                   // Type
        ///                   var @this = new XmlDocument();
        /// 
        ///                   // Exemples
        ///                   string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                   string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        /// 
        ///                   // Unit Test
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///               }
        ///           }
        ///       }
        /// </code>
        /// </example>
        /// <example>
        ///     <code>
        ///       using System.Xml;
        ///       using Microsoft.VisualStudio.TestTools.UnitTesting;
        ///       using Z.ExtensionMethods.Object;
        /// 
        ///       namespace ExtensionMethods.Examples
        ///       {
        ///           [TestClass]
        ///           public class System_Object_GetValueOrDefault
        ///           {
        ///               [TestMethod]
        ///               public void GetValueOrDefault()
        ///               {
        ///                   // Type
        ///                   var @this = new XmlDocument();
        /// 
        ///                   // Exemples
        ///                   string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                   string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        /// 
        ///                   // Unit Test
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                   Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///               }
        ///           }
        ///       }
        /// </code>
        /// </example>
        /// <example>
        ///     <code>
        ///           using System.Xml;
        ///           using Microsoft.VisualStudio.TestTools.UnitTesting;
        ///           using Z.ExtensionMethods.Object;
        ///           
        ///           namespace ExtensionMethods.Examples
        ///           {
        ///               [TestClass]
        ///               public class System_Object_GetValueOrDefault
        ///               {
        ///                   [TestMethod]
        ///                   public void GetValueOrDefault()
        ///                   {
        ///                       // Type
        ///                       var @this = new XmlDocument();
        ///           
        ///                       // Exemples
        ///                       string result1 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;;
        ///                       string result2 = @this.GetValueOrDefault(x =&gt; x.FirstChild.InnerXml, () =&gt; &quot;FizzBuzz&quot;); // return &quot;FizzBuzz&quot;
        ///           
        ///                       // Unit Test
        ///                       Assert.AreEqual(&quot;FizzBuzz&quot;, result1);
        ///                       Assert.AreEqual(&quot;FizzBuzz&quot;, result2);
        ///                   }
        ///               }
        ///           }
        ///     </code>
        /// </example>
        public static TResult GetValueOrDefault<T, TResult>(this T @this, Func<T, TResult> func, Func<T, TResult> defaultValueFactory)
        {
            try
            {
                return func(@this);
            }
            catch (Exception)
            {
                return defaultValueFactory(@this);
            }
        }
    }


}